Milbank, Tweed, Hadley & McCloy LLP and Claro & Cía acted for the banks. JPMorgan Chase Bank, acting as depository, was also advised by Claro & Cía, while Ziegler, Ziegler & Associates is believed to have provided counsel in the US, although this could not be confirmed before publication.

The offering saw 4.9 billion shares sold on the Santiago Stock Exchange, with a further 1.8 billion shares sold in the form of American Depository Shares.